1. The main or most important conclusion reached at the end of an analysis, argument, or study
The primary conclusion of the research was that the new treatment is effective.
A conclusão principal da pesquisa foi que o novo tratamento é eficaz.
2. The first or initial conclusion drawn before considering secondary factors
Based on the evidence, the primary conclusion was that the defendant was guilty.
Com base nas provas, a conclusão principal foi que o réu era culpado.